Girls Run Great Falls meets every Tuesday and Thursday to run, jog or walk to prepare for the July 30th Run/Walk event. Girls can work with experienced coaches, participate in group discussions and activities. Admission is free. 6:30 p.m. to 8:30 p.m. YWCA. 220 2nd St. N. 452-1315.

Week of the Grizzly “Bear Chase and Bear Spray,” features Norman Anderson presenting Meriwether Lewis’ confrontation with a grizzly bear. Big Horn Outdoor Specialists demonstrates how to use bear spray. Use the northeast parking spaces. Admission is free. Noon to 1 p.m. West Bank Park. 791-1465.

TC Hirsch and Doris Boyle lead a meditation group of walking form and other sitting practices. 6:30 p.m. to 8 p.m. Ursuline Centre. 2300 Central Ave. 788-8185.

Military Night includes games, trampolines, foam pit, dodgeball and more. Admission is $6 per hour for all active and retired military and their family members. 6 p.m. to 9 p.m. Flippin Family Fun. 5501 9th Ave. S. 454-3547.

Brother Van House Museum docent guided tours highlight the story of his life and his influence on Montana. Tours are free. 1 p.m. to 4 p.m. Brother Van House Museum. 113 6th St. N. 453-3114.

Music in the Library Park series features Windy Ridge performing traditional country, standards and bluegrass music. Bring a chair or blanket. The program moves indoors in the case of inclement weather. Admission is free. 7 p.m. Great Falls Public Library. 301 2nd Ave. N. 453-0349.

Get Fit Great Falls Park Play Program features physical activities and art or science projects Monday-Friday at Gibson Park from 9:45-10:30 a.m., Verde Park from 10:45-11:30 a.m., Rhodes Park from 12:15-1 p.m., Lion’s Park from 1:15-2 p.m. and Pinski Park from 2:15-3 p.m. Great Falls Public Schools food truck serves free food at Gibson Park, Rhodes Park and Lion’s Park. Great Falls. 454-6950.

Week of the Grizzly “The Magnificent Grizzly Bear,” features speakers Mike Madel talking about the history of bears, Tony Bynum talking about photographing grizzly bears and Tim Rubbert author of “Hiking Safely in Grizzly Country: More Lessons Learned,” talking about his encounters with grizzlies. The film “City of Bears,” follows the presentations. Admission is free. 6 p.m. to 8 p.m. Lewis and Clark Interpretive Center. 4201 Giant Springs Road. 791-1465.

Register now for the City of Great Falls Park and Recreation swimming lessons. Lessons are for ages 6 months and older and for all skill levels. Class times and costs vary. Morony Natatorium Pool. 111 12th St. N. 452-3733 or 771-1265.

Summer Reading program features Get Fit Great Falls. The program is for ages birth through grade 5. Children 7 and younger must be accompanied by an adult. Admission is free. 10:30 a.m. to 11:30 a.m. Great Falls Public Library. 301 2nd Ave. N. 453-0349.

The Brown Bag Lunch series features Fighting Mid-day Fatigue with Angie Fischer Kralich. The series is in the park behind the library. Admission is free. Noon Wednesday. Great Falls Public Library. 301 2nd Ave. N. 453-0349.